package chapter04.Example30;

public class Example30 {
    public static void main(String[] args) {
        int result = divide(4, -2);
        System.out.println(result);
    }
    public static int divide(int x, int y) {
        if (y < 0) {
            throw new DividerBYMinusException("除数是负数");
        }
        int result = x / y;
        return result;
    }
}
